B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/70
B05B 15/04 (2006.01) B01D 50/00 (2006.01) B05B 15/12 (2006.01)
Patent
CA 1231838
ABSTRACT A method and system for precipitating vapors from a continuous coater and retrieving suspended mat- ter therefrom. The entrance and exit passages com- municating with a spray coating booth are vented to a scrubbing chamber where a precipitant spray drives the vapors through a precipitant baffle. Suspended matter in the vapor is thus precipitated and drained into a recovery tank. The scrubbed vapors are then exhausted up a stack. In one embodiment of the inven- tion, the vapors are vented through openings in the top of the entrance and exit passages, in which embodi- ment there is also provided an input chamber for receiv- ing the vapors and transferring the same to the scrub- bing chamber. In a second embodiment, the vapors are vented through openings in the side walls of the entrance and exit passages, in which case they are vented directly to the scrubbing chamber. In both embodiments, the precipitant spray is directly against the precipitant baffle resulting in the precipitation of large particles, such that there is no requirement for the provision of a plenum chamber or settling area. Additionally, the precipitation baffle is kept clean by the constant spray.
420947
Corporation Nordson
Macrae & Co.
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